1. Impact of National Aquarium in Baltimore on Visitors' Conservation Attitudes, Behavior, and Knowledge
2. (1999). Understanding the impact of post-visit activities on students' knowledge construction of electricity and magnetism as a result of a visit to an interactive science centre. Unpublished doctoral dissertation, Queensland University of Technology. Brisbane, Australia.
3. Development of knowledge about electricity and magnetism during a visit to a science museum and related post-visit activities
4. & (1996). Current trends in public opinion on the environment: Environmental compendium update. Washington, DC: Belden & Russonello Research and Communications.
5. & (1999). ArtShow: Youth and community development. Washington, DC: Partners for Livable Communities.